Founders Fund

Activity from announced rounds

Activity in this selectionOct 24, 2026 · Developer tools · Jan 1, 2026

Founders Fund is a technology venture firm with partners working in engineering-led businesses across energy, infrastructure, manufacturing, transport, biotechnology and defence.

The partnership combines investing with direct company creation. Trae Stephens co-founded Anduril and serves as its executive chairman; Delian Asparouhov co-founded Varda Space Industries; Scott Nolan founded uranium-enrichment company General Matter. These roles put investors inside the work of building industrial and defence businesses.

Nolan’s investing focus includes engineering-driven startups in energy, infrastructure, manufacturing, transportation and biotechnology. Stephens brings experience developing products and expanding government business at Palantir, including in intelligence and defence.

Sources
Rounds participated in
4
Confirmed lead rounds
0
3 roles undisclosed
New companies
3
First participation on record · 1 follow-on
Funding in participating rounds
$1.2B
3 disclosed · full round size, not this investor’s share

By stage

Growth1
Series A1
Series B1
Series C+1

By primary sector

AI3
Defense tech1

By country

United States4

Rounds

4 in this selection
Cognition

Cognition develops Devin, an autonomous software-engineering system, and the Windsurf AI code editor.

>$2BSeries E
Participant
Hydra Host

Operates an AI data center operating system and GPU compute offtake network connecting data center operators with AI builders

$100MSeries A
Role not disclosed
Cognition

Cognition develops Devin, an autonomous software-engineering system, and the Windsurf AI code editor.

$1BGrowth
Role not disclosed
Nominal

Offers software for hardware engineers to test designs

$80MSeries B+
Role not disclosed